13321221020200 has 48 divisors (see below), whose sum is σ = 32601935664000. Its totient is φ = 5048041648320.

The previous prime is 13321221020171. The next prime is 13321221020207. The reversal of 13321221020200 is 202012212331.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (13321221020207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1752788440 + ... + 1752796039.

It is an arithmetic number, because the mean of its divisors is an integer number (679206993000).

Almost surely, 2^{13321221020200} is an apocalyptic number.

13321221020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13321221020200 is an abundant number, since it is smaller than the sum of its proper divisors (19280714643800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13321221020200 is a wasteful number, since it uses less digits than its factorization.

13321221020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505584514 (or 3505584505 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13321221020200 its reverse (202012212331), we get a palindrome (13523233232531).

The spelling of 13321221020200 in words is "thirteen trillion, three hundred twenty-one billion, two hundred twenty-one million, twenty thousand, two hundred".